1994864905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{7673}}^1$

素因数の和:7881

約数の個数: 32

約数和(自身を含む): 2718437760

約数和(自身を除く): 723572855

約数列:

[1, 5, 11, 29, 55, 145, 163, 319, 815, 1595, 1793, 4727, 7673, 8965, 23635, 38365, 51997, 84403, 222517, 259985, 422015, 1112585, 1250699, 2447687, 6253495, 12238435, 13757689, 36270271, 68788445, 181351355, 398972981, 1994864905]

約数ペア:

[(1, 1994864905), (5, 398972981), (11, 181351355), (29, 68788445), (55, 36270271), (145, 13757689), (163, 12238435), (319, 6253495), (815, 2447687), (1595, 1250699), (1793, 1112585), (4727, 422015), (7673, 259985), (8965, 222517), (23635, 84403), (38365, 51997)]